3746544648 has 128 divisors (see below), whose sum is σ = 11722199040. Its totient is φ = 969408000.

The previous prime is 3746544629. The next prime is 3746544661. The reversal of 3746544648 is 8464456473.

It is a self number, because there is not a number n which added to its sum of digits gives 3746544648.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497068 + ... + 504548.

It is an arithmetic number, because the mean of its divisors is an integer number (91579680).

Almost surely, 2^3746544648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3746544648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5861099520).

3746544648 is an abundant number, since it is smaller than the sum of its proper divisors (7975654392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3746544648 is a wasteful number, since it uses less digits than its factorization.

3746544648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779 (or 7775 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 51.

The square root of 3746544648 is about 61209.0242366271. The cubic root of 3746544648 is about 1553.1389249146.

The spelling of 3746544648 in words is "three billion, seven hundred forty-six million, five hundred forty-four thousand, six hundred forty-eight".